/*******************************************************************************
 *  Copyright (c) 2010 Chase Technology Ltd.
 *  
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the GNU General Public License v3.0
 *  which is available at http://www.gnu.org/licenses/
 * 
 * Contributors:
 *     Doug Satchwell - initial API and implementation
 *******************************************************************************/
package org.jfunction.ui.internal;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.jfunction.internal.parser.KeyWords;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class JFunctionUIPlugin extends AbstractUIPlugin {

	// The plug-in ID
	public static final String PLUGIN_ID = "org.jfunction.ui"; //$NON-NLS-1$

	// The shared instance
	private static JFunctionUIPlugin plugin;
	
	private static final KeyWords keywords = new KeyWords();
	
	/**
	 * The constructor
	 */
	public JFunctionUIPlugin() {
	}
	
	public static IWorkbenchPage getActivePage() {
		return PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
		plugin = null;
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 *
	 * @return the shared instance
	 */
	public static JFunctionUIPlugin getDefault() {
		return plugin;
	}

	/**
	 * Returns an image descriptor for the image file at the given
	 * plug-in relative path
	 *
	 * @param path the path
	 * @return the image descriptor
	 */
	public static ImageDescriptor getImageDescriptor(String path) {
		return imageDescriptorFromPlugin(PLUGIN_ID, path);
	}

	public static void log(CoreException e)
	{
		log(e.getStatus());		
	}

	public static void log(Throwable e) 
	{
		log(new Status(IStatus.ERROR,PLUGIN_ID,0,e.getMessage() != null ? e.getMessage() : "null",e));
	}
	
	public static void log(IStatus status) 
	{
		getDefault().getLog().log(status);
	}

	public static KeyWords getKeywords() {
		return keywords;
	}
}
